6-Methyl-2-(2,4,5-trichlorophenyl)nicotinic acid
5-Methyl-2-(2,4,5-trichlorophenyl)nicotinic acid
4-Methyl-2-(2,4,5-trichlorophenyl)nicotinic acid
2-Methyl-6-(2,4,5-trichlorophenyl)nicotinic acid
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